Leases Lease revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Finance lease revenue	$ 106	$ 105	$ 315	$ 326
Operating lease revenue	286	270	836	819
Total	$ 392	$ 375	$ 1,151	$ 1,145
Financial Products
Lessor, Lease, Description
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Sales and revenues	Sales and revenues	Sales and revenues	Sales and revenues